ichidan verb, transitive verb
General term for forbidding an action or thing, often by authority or rule.
校則で携帯電話の使用を禁じている。
School rules forbid the use of mobile phones.
The law prohibits that act.
ichidan verb, transitive verb
suppress (a feeling, laughter); hold back (tears)
Used in the pattern 禁じ得ない to mean 'cannot help but feel/show'. Rare outside this fixed expression.
See also: 禁じ得ない
彼の話を聞いて、涙を禁じ得なかった。
Hearing his story, I couldn't hold back my tears.
その光景に笑いを禁じ得なかった。
I couldn't suppress my laughter at the sight.